Drill bit



FIG. 1 is a bottom perspective view of the drill bit.

FIG. 2 is a side view of the drill bit with an enlarged detail; and,

FIG. 3 is a perspective view of the drill bit.

The broken line showing of the drill bit is included for the purpose of illustrating portions of the drill bit and forms no part of the claimed invention. 

The ornamental design for a drill bit, as shown and described. 